Compare Premier Solar Systems PSS 1220 vs Kunneng Photoelectrical KN140P

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 16.8 V

Current at Maximum Power IMPP: 1.2 A

Open Circuit Voltage VOC: 21 V

Short Circuit Current ISC: 1.4 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.38 %/°C

Temperature Coefficient of Isc: 0.10 %/°C

Solar Panel Attributes

Weight: unknown

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 20 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 140 Wp

Efficiency:

Voltage at Maximum Power VMPP: 18.1 V

Current at Maximum Power IMPP: 7.73 A

Open Circuit Voltage VOC: 22.1 V

Short Circuit Current ISC: 8.27 A

Power Tolerance Positive: + 6 %

Maximum System Voltage: 800 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 11.2 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, Low Iron